如图所示，a、b、c为电场中同一条电场线上的三点，其中c为ab的中点．已知a、b

________(相对地) speaking, girls are not as strong as boys.

He decided to keep them as permanent ________ .(囚犯)

They were caught _______(聊天) in class and were scolded by the teacher.

He can’t understand what you said , for he is _______(智力地，脑力地) disabled.

My parents both work as _______(售票员) in this bus company

I bought a dress for only 10 dollars; it was a real ________(便宜货) .

The moment the 29th Olympic Games were __(宣布) open ,the world cheered.

Can you  ________(腾出) me just a few minutes？

What is the  __________(平均数) of 3,4 and 11?

He was late again and was  _________(惩罚) by his teacher.

66．____________ 67.___________ 68.__________ 69.__________ 70.____________

71.__________  72.____________ 73.__________ 74.___________ 75.___________

在同一直线档中，每根导线上只允许有（）。

A、一个连接管三个补修管；

B、两个连接管四个补修管；

C、一个连接管两个补修管；

D、两个连接管三个补修管。

Alzheimer病的治疗不包括（）

A.扩血管治疗

B.改善认知功能药物

C.化疗

D.神经保护性治疗

E.康复治疗

操课中，按照计划要求（）遵守课堂（训练场、作业场）纪律，严防事故。

A、周密组织

B、认真听讲

C、服从命令

D、精心操作

教学实践证明，学生的学业成绩与学生学习时注意的集中性和稳定性呈现负相关。